Electrical, Electronics, and Avionics

Vehicle charging

Stories

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Briefs: Energy
It's time to rethink battery technology. Compared to other existing or developing technologies, a new lithium metal-based solid-state battery brings some significant advantages: It can be charged and discharged within one minute, lasts about 10 times as long as a Li-ion battery, and is insensitive to temperature fluctuations. Read on to learn more about it.
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INSIDER: Power
The auto industry took the next step in the evolution of North American electric vehicle charging solutions today at The Battery Show in Detroit. That’s where SAE...
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Briefs: Power
American drivers have long been accustomed to quickly filling up at a gas station with plenty of fuel available, and electric vehicle drivers want their pit stops to mimic this experience. Researchers are working to make EV charging more resilient. Read on to learn more about it.
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Briefs: Energy
Researchers have been developing batteries with higher energy storage density, and thus, longer driving range. Other goals include shorter charging times, greater tolerance to low temperatures, and safer operation. One of the more promising such batteries has a lithium-containing cathode supplemented with nickel, manganese, and cobalt (NMC). Read on to learn more.
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Articles: Energy
With fast charging becoming more common, precise and reliable temperature sensing across the charging chain will remain critical even as battery technologies evolve. Read on to learn why.
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Briefs: Power
A research team has developed a high-energy, high-power hybrid sodium-ion battery capable of rapid charging. The innovative hybrid energy storage system integrates anode materials typically used in batteries with cathodes suitable for supercapacitors. Read on to learn more.
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Articles: Manufacturing & Prototyping
Future electric vehicles will be more efficient, more powerful, and will be able to hold more energy in their batteries than today’s EVs. Those big “mores” require countless small improvements beyond the headline component — batteries. Read on to learn more.
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Briefs: Energy
In a recent study published in the journal ACS Applied Energy Materials, researchers have utilized poly(vinylphosphonic acid) (PVPA) as a binder for a micro-SiO electrodes, achieving superior performance compared to conventional cells. Read on to learn more.
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Articles: Transportation
Automakers are increasingly focusing on the long-delayed promise of solid-state batteries. With no liquid electrolyte, these batteries can be lighter, safer (with reduced fire risk), faster to recharge, and more energy dense while still being able to deliver ranges of 600 miles (965 km) or more.
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Articles: Power
Although there have been questions about the continuing consumer uptake of EVs, BMW’s Niels Bohn said that the robustness of the charging network is the key to achieving consumer acceptance.
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Briefs: Energy
New Solid-State Battery Design Charges in Minutes
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences have developed a new lithium metal battery that can be charged and discharged at least 6,000 times — more than any other pouch battery cell — and can be recharged in a matter of minutes.
Briefs: Materials
A team from Chalmers University of Technology has succeeded in observing how the lithium metal in the cell behaves as it charges and discharges. The new method may contribute to batteries with higher capacity and increased safety in our future cars and devices.
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Articles: Energy
Grayson Brulte, host of SAE’s Tomorrow Today podcast, interviewed Christian Thiele, Director, Global Ground Vehicle Standards, SAE International, and Dr. Rodney McGee, P.E. Chairman, SAE J3400 NACS Task Force, regarding the work of the J3400 Task Force. This Q&A is an abbreviated portion of that interview.
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Briefs: Materials
Engineers have made progress toward lithium-metal batteries that charge as fast as an hour. This fast charging is thanks to lithium metal crystals that can be seeded and grown — quickly and uniformly — on a surprising surface.
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Articles: Power
There is no one-size-fits-all answer. If you need the least expensive option, direct charging works. If you can spend more, you can opt for a PWM circuit. If the price is secondary and you need the absolute best performance, a true MPPT may be the best solution for your application.
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News: Energy
As the world’s major auto markets begin an inexorable shift to EVs and hybrid-electric vehicles (HEVs), any discussion of the engineering behind...
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Briefs: Materials
A team Led by Worcester Polytechnic Institute (WPI) researcher Yan Wang has developed a solvent-free process to manufacture Li-ion battery electrodes that are greener, cheaper, and charge faster than electrodes currently on the market.
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Briefs: Energy
The commercially relevant approach opens a potential pathway to improve charging speeds for electric vehicles.
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Briefs: Energy
The newly developed anode-free battery has a volumetric energy density of 977 Wh/L which is 40 percent higher than the conventional batteries (700 wh/L).
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Briefs: Energy
Improving Accuracy of Battery Charge Measurement
The issue of battery usage inefficiency in EVs resulting from an inaccurate battery charge measurement may finally get resolved.
Briefs: Electronics & Computers
The National Renewable Energy Laboratory is leading the development of new lithium-ion (Li-ion) battery designs specific to the stationary storage requirements.
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Technology Leaders: Energy
While battery range and charging times are getting the most attention when it comes to electric vehicle (EV) charging systems, safety and reliability are a critical...
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Articles: Automotive
From multinational battery developers to commercial-vehicle components manufacturers merging new-age motors with established power-transfer technologies, Battery & Electrification Technology's Fast 40 presents...
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Briefs: Unmanned Systems
A continuous flight of small drones over its perimeter could enhance security of the nation's border, but there is one small problem: The battery limitation of small drones (they last about 30 minutes) is...
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Briefs: Manufacturing & Prototyping
Micro-supercapacitors could revolutionize the way we use batteries by increasing their lifespan and enabling extremely fast charging. Now, researchers at Chalmers University of Technology have...
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Briefs: Transportation
In steep mountain regions, the potential for generating electricity from a small stream of water is high, however, the hydropower potential of these regions remains untapped as it...
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Briefs: Energy
The method enhances the battery's safety while it is being used, without opening the battery cell.
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Briefs: Energy
This technology has potential as a portable power supply in several applications, including electric vehicles, cellphones, and wearable technology.
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Briefs: Energy
The battery charges faster than a lithium-ion battery and is fire-safe and eco-friendly.
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